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Finding the Third Proportional to 15,428,019 and 33,177,903

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Solution

The third proportional to 15,428,019 and 33,177,903 is: 71,348,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428,019 : 33,177,903 = 33,177,903 : x
  2. Step 2: Convert to fraction form
    15,428,019/33,177,903 = 33,177,903/x
  3. Step 3: Cross multiply
    15,428,019x = 33,177,903 × 33,177,903
  4. Step 4: Simplify right side
    15,428,019x = 1,100,773,247,477,409
  5. Step 5: Solve for x
    x = 1,100,773,247,477,409/15,428,019
  6. Step 6: Final answer
    x = 71,348,968.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.